Physicists have unveiled a new way to simulate a mysterious form of dark matter that can collide with itself but not with normal matter. This self-interacting dark matter may trigger a dramatic ...

Dark matter, one of the Universe’s greatest mysteries, may have been born blazing hot instead of cold and sluggish as scientists long believed. New research shows that dark matter particles could have ...

Dark matter can’t be seen, so simulations like this one show what dark matter might look like if it were visible. The universe is packed with riddles, but few are as stubborn or as fascinating as dark ...